We presented a novel self-assembly system of cucurbit[6]uril with a serials 1,ω-bisbenzoimdazolyl alky guest controlled by the ratio of host-guest which characterized by X-Ray diffraction.
本文利用 X-射线衍射技术研究六元瓜环与1,ω-二苯并咪唑基烷烃的主客体自组装结构。
Cucurbit[6]uril adducts with metal cation and naphthylamine in the water, be a new supramolecular adducts.
在水溶液中,六元瓜环与金属阳离子及萘胺发生作用,形成一种新颖的超分子配合物。
Condensed Fukui function(CFF)was used to predict the reactive sites in electrophilic substitution ofpenta-heterocycles(pyrrole and furan),hexa-heterocycle(pyridine)and a series of mono-substituted heterocycles(ortho-,meta-and para-).
研究体系为传统的五元(呋喃、吡咯)和六元杂环(吡啶)以及取代基在邻位,间位和对位(相对于杂原子)的单取代杂环。
All above results show that the reaction experiences the six-member ring transition state with two-step path.
这表明该反应主要经历六元环过渡态的两步反应历程。
The Research on the Synthesis of Multisubstituted Furans, Pyrroles and Hexatomic Ring Compounds via In-catalyzed;
铟盐催化下合成多取代呋喃、吡咯及六元环化合物的研究
therefore, it is the reducing end and will be in equilibrium with alpha and beta six-membered ring forms, as described earlier for monosaccharides.
因此如前面单糖部分所述,它是还原性末端。会形成六元环形式的平衡。
Geometries and First Hyperpolarizabilities of Nonlinear Optical Compounds Containing Nitrogen-and Boron-doped Six-membered Rings
含氮和硼掺杂的六元环的非线性光学化合物的几何结构和第一超极化率
Synthesis, Characterizations and Propertyies of Six-Membered Nitrogen Containing Heterocycle Complexes
含氮六元杂环化合物的合成、表征及性质研究
Assessment on the Content of Six Elements in Soils of Dongxi Town in Jianyang County,Sichuan Province
四川简阳东溪镇土壤环境六种元素含量评价
A program that depends on the floating-point stack being larger than six items has an environmental dependency.
一个依靠浮点堆叠大于六个元素的程式有一个环境相依性.
NMR Studies on the Interaction of Host-Guest Complexes of Disubstituted Cucurbit[6]uril;
对称四甲基取代六元瓜环与客体相互作用的NMR研究
Boundary Element Analysis on Hydrodynamic Characteristics of Six-leaves Columniform Floating-ring Bearings
六叶柱形浮环轴承流体动力学特性的边界元分析
Crystal Structure of the Cucurbit[6] uril Complexes with 1,6-Hexamethylenedipyridine
六元瓜环与1,6-二吡啶己烷包结配合物的晶体结构
Structure and host-guest interaction mode of supramolecular compound of cucurbit[6]uril/1,2-Ethylenediamine
六元瓜环/1,2-乙二胺的超分子化合物结构及相互作用模式
"Pyridine: Any of a class of aromatic compounds with a six-member aromatic ring composed of five carbon atoms and one nitrogen atom, making it a heterocyclic compound."
啶:带六元芳香环(由5个碳原子和一个氮原子组成)的芳香族化合物的统称,是一种杂环化合物。
A round trip ticket costs 60 dollars
来回票价六十美元。
This shirt sell s for six dollars.
这件衬衫售价六美元。
UNDERSTAND MAIN POINTS
第六单元 听懂主要意思
Bid deposit: US 60, 000
招标押金：六万美元。
having six units or components.
有六个单元或成分的。
There are three hundred and sixty trades, and every trade has its master.
三百六十行,行行出状元。
